Fix parsing of security group id
Fix parsing of security group id

nova secgroup-list does not support csv output.

eprasad/instack-undercloud,bcrochet/instack-undercloud,dmsimard/instack-undercloud,dpkshetty/instack-undercloud,agroup/instack-undercloud,agroup/instack-undercloud,dpkshetty/instack-undercloud,dmsimard/instack-undercloud,bcrochet/instack-undercloud,eprasad/instack-undercloud,rdo-management/instack-undercloud,rdo-management/instack-undercloud